public class Example23 {
    public static void main(String[] args) {
        int[]arr=new int[4];
        arr[0]=1;
        arr[1]=2;
        System.out.println("arr[0]="+arr[0]);
        System.out.println("arr[1]="+arr[1]);
        System.out.println("arr[2]="+arr[2]);
        System.out.println("arr[3]="+arr[3]);
    }
}
